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50 Ways You Can Improve as a Programmer

Nov 28, 202111 min read

I have been a professional programmer for over 30 years. Programming is a lifelong journey of learning, practice, and improvement. During my career, I...

Tutorial: Accepting String Input in Java

Nov 9, 20213 min read

Some Java programs need input from the user. To accept input from the user, use the Scanner class. The Scanner class has methods that accept different...

How-To: Java isDigit() Character function

Nov 9, 20212 min read

Sometimes it is helpful to know if a character is a digit (0-9) or not. The Java built-in Character class provides an isDigit() function that...

Java Tip: What are Methods, Functions, and Procedures?

Nov 9, 20212 min read

Methods 🦁, Functions 🐯, and Procedures 🐻, Oh My! Programmers often use these terms interchangeably. But there are differences among them. The...

Tutorial: Write Your First JavaScript Program

Nov 9, 20211 min read

JavaScript programs execute in the browser. That means you need an HTML document. Here is a simple one to start with: <!DOCTYPE html> <html...

How-To: Formatting Java Output With printf()

Nov 9, 20214 min read

The Java System.out.printf() method formats and outputs a string. You specify the data and the format of the output. The examples below demonstrate...